... /open Pipe size:3/8" ~ 2" With CE TUV certificates Gas/ Water /Oil Electric Solenoid Valve1. 2/2-way normally closed, 3/8", 3 ... /4", 1", 1¼",1½",2" pipe size;2.Operating ... ;4.Fluid media: air ,water, oil, gas;5.Fluid temperature:0°C~120°C:6.Voltage:AC 110/220V, 50/60Hz, DC ...